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How to delete a file via PHP?
...img/tasks/" . 'image.jpg');
The dirname(__FILE__) section prints out the base path to your project. The /img/tasks/ are two folders down from my base path. And finally, there's my image I want to delete which you can make into anything you need to.
With this I have not had any problem getting to ...
Constructor overloading in Java - best practice
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I think "already overloaded classes" meant that the base class has several overloaded constructors.
– Chii
Jul 25 '09 at 14:20
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How to throw a C++ exception
...is is also relevant if the caught objects were "normal" object like: class Base{}; and class Derived : public Base {}...
5) g++ 7.3.0 on Ubuntu 18.04.1 produces a warning that indicates the mentioned issue:
In function ‘void illustrateDerivedExceptionCatch()’:
item12Linux.cpp:48:2: warnin...
How to extract the first two characters of a string in shell scripting?
...st efficient method, if you're using the bash shell (and you appear to be, based on your comments), is to use the sub-string variant of parameter expansion:
pax> long="USCAGol.blah.blah.blah"
pax> short="${long:0:2}" ; echo "${short}"
US
This will set short to be the first two characters of...
Is there a way to 'uniq' by column?
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To consider multiple column.
Sort and give unique list based on column 1 and column 3:
sort -u -t : -k 1,1 -k 3,3 test.txt
-t : colon is separator
-k 1,1 -k 3,3 based on column 1 and column 3
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Pythonic way to check if a file exists? [duplicate]
...t. If it does exists, it will print "Ooops" and return None (untested, and based solely on reading the python documentation, so might not be 100% correct).
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How to set selected item of Spinner by value, not by position?
I have a update view, where I need to preselect the value stored in database for a Spinner.
25 Answers
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Why there is no ConcurrentHashSet against ConcurrentHashMap
HashSet is based on HashMap.
9 Answers
9
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Change select box option background color
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I don't know if you've considered it or not but if your application is based on coloring various groupings of items you should probably use the <optgroup> tag coupled with a class for further referencing. For example:
<select>
<optgroup label="Numbers" class="green">
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Get the last inserted row ID (with SQL statement) [duplicate]
... row (similar to behavior of an update statement that updates a single row based on input of multiple joined rows).
– BVernon
Jan 6 '19 at 22:56
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